Tangrams 1
Who knew you could have so much fun with geometry?
Airlines Builder
Practice creating various geometric shapes.
Lost in the Northern Frontier
Check out the power of circles!
skip to main |
skip to sidebar
Click on the subject lines below (archived under "January"). On each of these lists, the easier stuff is mostly at the top, and the harder stuff is mostly at the bottom. If you're trying to find a link you liked, you can also use the search window at the top left of this screen. Please report links that don't work: htc AT duke DOT edu. Have fun!